<template>
    <Scroll id="tab-menu">
        <div class="menu-list">
            <div class="menu-list-item" :class="{active:index===currentIndex}" v-for="(item,index) in categories" :key="index" @click="itemClick(index)">
                {{item.title}}
            </div>
        </div>
    </Scroll>
</template>
<script>
import Scroll from 'components/common/scroll/Scroll'
export default {
    name:'TabMenu',
    components:{
        Scroll,
    },
    props:{
        categories:Array
    },
    data() {
        return {
            currentIndex:0
        }
    },
    methods: {
        itemClick(index){
            this.currentIndex=index
            this.$emit('selectItem',index)
        }
    },
}
</script>
<style scoped>
#tab-menu {
    background-color: #f6f6f6;
    height: 100%;
    width: 100px;
    box-sizing: border-box;
}

.menu-list-item {
    height: 45px;
    line-height: 45px;
    text-align: center;
    font-size: 14px;
}

.menu-list-item.active {
    font-weight: 700;
    color: var(--color-high-text);
    background-color: #fff;
    border-left: 3px solid var(--color-high-text);
}
</style>